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#!/bin/env python
from __future__ import print_function
from Xdmf import *
import time
NumberOfGrids = 100
# build XML
XML = """<?xml version="1.0" ?>
<!DOCTYPE Xdmf SYSTEM "Xdmf.dtd" []>
<Xdmf Version="2.0">
<Domain>
"""
for i in range(NumberOfGrids) :
XML += '<Grid Name="GridNumber%04d">\n<Information>this is some text for grid #%d</Information>\n</Grid>\n' % (i + 1, i + 1)
XML += """</Domain>
</Xdmf>"""
dom = XdmfDOM()
dom.Parse(XML)
dm = dom.FindElement('Domain')
print ('dm = ', dm)
print ('Domain has %d Children' % dom.GetNumberOfChildren(dm))
# print (dom.Serialize(dm))
ng = dom.FindNumberOfElements('Grid', dm)
print ('DOM has %d Grids' % ng)
print ('Timing Access')
start = now = time.time()
for i in range(ng) :
g = dom.FindElement('Grid', i, dm)
# Name = dom.GetAttribute(g, 'Name')
Name = dom.GetAttribute(g, 'Name')
if (Name != "GridNumber%04d" % (i + 1)) :
print ('Error in Name')
now = time.time()
print ('Accessed %d Grid Attributes in %g Seconds' % (ng, now - start))
g = dom.GetChild(ng / 2, dm)
print ('Middle Node = ', dom.GetAttribute(g, 'Name'))
g = dom.FindElement('Grid', ng / 2, dm)
print ('Middle Grid = ', dom.GetAttribute(g, 'Name'))
dom.DeleteNode(g)
ng = dom.FindNumberOfElements('Grid', dm)
print ('After Deletion DOM has %d Grids' % ng)
g = dom.FindElement('Grid', ng / 2, dm)
print ('Test Serialize')
print dom.Serialize(g)
print ('Test Add')
dom.InsertFromString(g, '<Information Name="Last3"> XXYYZZ </Information>')
print (dom.Serialize(g))
# print ('Test Serialize')
# print (dom.Serialize())
print ('Test Set Attribute an CDATA')
info = dom.FindElement('Information', 1, g)
dom.Set(info, 'CDATA', 'AABBCC')
dom.Set(info, 'NewTag', 'NewValue')
print (dom.Serialize(g))
print ('Testing Information')
i = XdmfInformation()
print ('Setting DOM')
i.SetDOM(dom)
print ('Setting Element')
i.SetElement(info)
print ('Update Information')
i.UpdateInformation()
print ('Ready')
print ('info.Get("NewTag") = ', i.Get('NewTag'))
i.Set('NewTag', 'BrandNewValue')
i.Set('CData', 'DDEEFF')
print (dom.Serialize(g))
print ('Name = ',i.GetName())
print ('Value = ',i.GetValue())
i.Set('Value', 'New Value')
print (dom.Serialize(g))
print ('Value = ',i.GetValue())
print (dom.Serialize(g))
i.SetName('Jerry')
print (dom.Serialize(g))
print ('element Type = ', i.GetElementType())
i.SetValue('Last Value of the Day')
print (dom.Serialize(g))
i.Build()
dom.Write('Jerry.xmf')
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